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Physics, 29.01.2020 08:03 anrs14

Identical cannonballs are fired with the same force, one each from four cannons having respective bore lengths of 1.0 meter, 2.0 meters, 2.5 meters and 3.0 meters. which cannon will have the minimum impulse on the ball if the force acting on the ball increases with the length of the bore?

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